document.write( "Question 1094150: Nico is saving money for his college education. He invests some money at 8%, and $1300 less than that amount at 5 %. The investments produced a total of $169 interest in 1 yr. How much did he invest at each rate?
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document.write( "He invested $ ______ at 8% and $____ at 5%.
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Algebra.Com's Answer #708745 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Some money at 0.08: Let this amount be x \n" ); document.write( "And 1300 less than that amount at 0.05: this amount will be x-1300 \n" ); document.write( "------------------------ \n" ); document.write( "0.08x + 0.05(x-1300) = 169 \n" ); document.write( "0.08x + 0.05x-65 = 169 \n" ); document.write( "0.13x = 234 \n" ); document.write( "x = 1800 this is the amount invested at 8% \n" ); document.write( "1800-1300 = 500 and this the amount at 5% \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \n" ); document.write( "Check \n" ); document.write( "0.08(1800) + 0.05(500) = 144 + 25 = 169 Correct \n" ); document.write( " \n" ); document.write( " |